Nionia palmeri is a of leafhopper in the Cicadellidae, Nioniinae. It was first described by Van Duzee in 1891 under the basionym Goniagnathus palmeri. The species is recorded from scattered localities across the eastern and central United States. As a member of the Nioniinae, it belongs to a relatively small and specialized group within the leafhopper family.
Distribution
Recorded from Connecticut, Georgia, Illinois, Indiana, and Kansas. These records suggest a broad eastern and central North American range, though the full extent of its distribution remains incompletely documented.